EUPSYCHORTYX LEUCOTIS.
White-eared Partridge.
S p e c if ic C h arac t er .
Eup. plumis auricularibus albis; g u la saturate castanea; striga, supraciliari angusta nigra pectore
e t lateribus castanets, g u ttis albis distinctis, nigro circumdatis, conspicue ornatis.
A d u lt Male.— Face, crest and ear-coverts white, slightly tinged with buff; throat dark chestnut;
stripe from over the eye down each side o f the neck chestnut, speckled with black; stripe
down the back o f the neck buff, speckled with black; sides and back o f the neck spotted
black and white; all the upper surface, wings and tail greyish brown, very minutely
freckled with dark brown and greyish w h ite ; centre o f the back blotched with black;
inner webs o f the scapularies and secondaries dark brown, margined internally with buff,
forming a line in the direction o f the body when the wing is closed ; under surface chestnut,
distinctly spotted with white, the spots separated by black; under tail-coverts buff,
with a black mark down the centre o f each ; middle o f the abdomen reddish chestnut;
bill black; feet flesh-colour.
Young Male.— Crest and ear-coverts brown; head and throat striated with rufous and black ;
spots on the back stronger than in the adult; under surface similar, but much less rich,
and the centre o f the abdomen deep buff.
Female.— Crest and ear-coverts brown; sides o f the head and the under surface pale buff,
spotted and blotched with brown and black; centre o f the abdomen wholly b uff; upper
surface pale brown, crossed by numerous narrow freckled bars o f white; tail crossed by
six or eight similar bars.
Total length, 8a inches; bill, ^ ; wing, 4 a ; tail, 2a ; tarsi, l a ; middle toe and nail, la.
O rty x leucotis, Gould in Proc. o f Zool. Soc., Part X I. p. 133.
T he present species is one of the novelties that have rewarded the late researches of naturalists among
the heretofore little-explored regions of the Andes. Numerous specimens transmitted from S“ Fe de Bogota
have from time to time come under my notice.
In point of affinity, the White-eared Partridge is more nearly allied to the Eupsychortyx cristatus than to
any other member of the group; from which, however, it differs in many particulars, and is altogether a
much more beautifully marked species. The well-defined spotting of the chest and abdomen, contrasted as
it is with the rich chestnut colouring of the remainder of the feathers of those parts, and the deep chestnut
brown of the throat, are characters by which it may at all times be distinguished.
A comparison of the accompanying illustration, which represents a male, a female, and a young bird of
the natural size, with that of Eupsychortyx cristatus, will, however, enable the reader to perceive these
differences and characters far more readily than the most lengthened description.
Of the history of this species nothing is at present known.